mirror of https://github.com/ossrs/srs.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
53 lines
1.8 KiB
Python
53 lines
1.8 KiB
Python
#!/usr/bin/python
|
|
# -*- coding: utf-8 -*-
|
|
|
|
import sys, shlex, time, subprocess
|
|
|
|
cmd = "./python.subprocess 0 80000"
|
|
args = shlex.split(str(cmd))
|
|
print "cmd: %s, args: %s"%(cmd, args)
|
|
|
|
# the communicate will read all data and wait for sub process to quit.
|
|
def use_communicate(args, fout, ferr):
|
|
process = subprocess.Popen(args, stdout=fout, stderr=ferr)
|
|
(stdout_str, stderr_str) = process.communicate()
|
|
return (stdout_str, stderr_str)
|
|
|
|
# if use subprocess.PIPE, the pipe will full about 50KB data,
|
|
# and sub process will blocked, then timeout will kill it.
|
|
def use_poll(args, fout, ferr, timeout):
|
|
(stdout_str, stderr_str) = (None, None)
|
|
process = subprocess.Popen(args, stdout=fout, stderr=ferr)
|
|
starttime = time.time()
|
|
while True:
|
|
process.poll()
|
|
if process.returncode is not None:
|
|
(stdout_str, stderr_str) = process.communicate()
|
|
break
|
|
if timeout > 0 and time.time() - starttime >= timeout:
|
|
print "timeout, kill process. timeout=%s"%(timeout)
|
|
process.kill()
|
|
break
|
|
time.sleep(1)
|
|
process.wait()
|
|
return (stdout_str, stderr_str)
|
|
|
|
# stdout/stderr can be fd, fileobject, subprocess.PIPE, None
|
|
fnull = open("/dev/null", "rw")
|
|
fout = fnull.fileno()#subprocess.PIPE#fnull#fnull.fileno()
|
|
ferr = fnull.fileno()#subprocess.PIPE#fnull#fnull.fileno()
|
|
print "fout=%s, ferr=%s"%(fout, ferr)
|
|
#(stdout_str, stderr_str) = use_communicate(args, fout, ferr)
|
|
(stdout_str, stderr_str) = use_poll(args, fout, ferr, 10)
|
|
|
|
def print_result(stdout_str, stderr_str):
|
|
if stdout_str is None:
|
|
stdout_str = ""
|
|
if stderr_str is None:
|
|
stderr_str = ""
|
|
print "terminated, size of stdout=%s, stderr=%s"%(len(stdout_str), len(stderr_str))
|
|
while True:
|
|
time.sleep(1)
|
|
|
|
print_result(stdout_str, stderr_str)
|